package adv324;

import java.sql.SQLOutput;

/**
 * @author oldliu
 * @since 1.0
 */
public class SystTest {
    public static void main(String[] args) {
        System.out.println("hello,System");
        long start = System.currentTimeMillis();
        System.out.println(start);
        int a=23;
        int b=444;
        int c=a*b;
        System.out.println(c);
        long end=System.currentTimeMillis();
        System.out.println("c*b 耗费时间是："+(end-start)+"毫秒");
        System.exit(0);
        System.out.println("我是老刘");
    }
}
